Address selection system for a magnetic drum



Dec. 2, 1958 w. BUCHHOLZ ETAL' 2,863,134

' ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 35 Sheets-Sheet J READ- WRITE HEAD MOUNTING BLOCK DRUM HOUSING 3i MAGNETIC DRUM FIG. I

INVENTORS WERNER BUOHHOLZ CECIL A. DEUTSCHLE BY DAVID J. CRAWFORD ATTORNEY Dec. 2, 1958 w, BUCHHQLZ ETAL 2,863,134

ADDRESS SELECTION SYSTEM mix A MAGNETIC DRUM Filed Oct. 25. 1952 as Sheets-Sheet 2 ADJUSTING NUT PRONGS 0F TERMINAL PLUG PLUG READ- WRITE COILS 29 STOYRAGE TRACK GAP 0 INVENTORS WERNER BUOHHOLZ c5 A.DEUTSOHLE BY DA J. CRAWFORD A ORNEY Dec. 2, 1958 W. BUCHHOLZ ET AL ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct; 25, 1952 35 Sheets-Sheet 3 lNVENTORS WERNER BUCHHOLZ CECIL A.OEUTSOHLE ATTORNEY Dec. 2, 1958 w. BUCHHOLZ ETAL 2,853,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 35'Sheets-Sheet4 f AU N T A A n n n n H II v B n 'n n n n 'n DEPTJSEEM'NG D RU M WRITE GATE DRUM WRITE PULSE DRUM TIMING TRACK V B DRUM TIMING PULSES c DRUM INDEX TRACK D DRUM NDEK PULSE E n INPUT TO DRUM COUNTER AA INDEX TRACK INPUT To SHAPER B -GRID ol A C --PLATE OIA A 56 D |NPuT o2A E 6ND GRID 025 F .PLATE 04A WEAT'IEX 'SJSTESLZ G DRUM INDEX L E cscu. A DEUT'SCHLE.

BY DAVID J. CRAWFORD ATTORNEY Dec. 2, 1958 w BUCHHQLZ ET'AL 2,863,134

ADDRESS sELEc'rIbN SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 as Sheets-Sheet 5 6ND" FIG 5d 5 v -A 7 TIMlNG TRACK INPUT TO SHAPER .1 -7OV B 1 GRID 08A I C m fl PLATE 08A I l Y Y i D i INPUT 02B GRID 02 GRID 04A G PLATE 04A DRUM READ GATE D H OUTPUT OF "AND "CIRCUIT 205 E OUTPUT OF 550 F R OUTPUT OF PEAKER a DRUM READ SAMPLE PULSE G A i DRUM AMPLIFIER OUTPUT'ON READING. A "ONE" H I OUTPUT OF SQUARING INVERTER [I OUTPUT OF"AND"C|RCUIT 2:5

v A OUTPUT OF TRIGGER 22G 50 name. K F

INVENTORS WERNER BOCHHlOLZ Dec. 2, 1958 w, BUHHQ E 2,863,134

ADDRESS SELECTION SYSTEM FDR A MAGNETIC DRUM Filed Oct. 25. 1952' :55 Sheets-Sheet e START GAP, IF DESIRED ADDRESS LINE NUMBERS NUMBERS FROIM D ADDRESS REGISTER DRUM TIMING V PULSES' 8 I 2 I5 PER BEVQLUTIO LINE NOS. 1 2 i IDDLE/ END CARRY CARRY swncmue WORD CIRCUIT 'pu s s INVENTORS WERNER BUCHHOLZ CECIL A. DEUTSGHLE BY DAVID J. CRAWFORD ORNEY 5 w. BucHHoLz ETAL 6 ,1

I ADDRESS SELECTION SYSTEM F OR A MAGNETIC DRUM Filed Octl 25, 1952 35 Sheets-Sheet 7 O START egg I/ENN GAP IF DESIRED DRUM 20 I END MIDDLE cARRm CARRY ONCE EVERY 128 TH INPUT PULSE DRUM swncume WORD nmms v PULSES PuLsEs INVENTORS WERNER BUCHHOLZ CECIL A. DEUTSOHLE BY DAVID J. CRAWFORD A ORNEY Dec. 1958 w. BUCHHQLZ ETAL V 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM WERNER BUCHHOLZ CECIL A. DEUTSCHLE BY DAVID J. CRAWFORD A RNE Y 2, 1 w. BUCHHOLZ ETAL 5 ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 35 Sheets-SheetlZ CECIL A. DEUTSCHLE BY DAVID J. CRAWFORD Dem 9 w. BUCHHOLZ ET-AL 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed 001:. 25, 1952 y as Sheets-Sheet 13 DRUM READ-WRITE CONTROL CIRQUITS I DRUM INDEX PUL E 153 1333 /TO F|G.|O (INVERTED) ,I DRUM INDEx PULSE 131 132 133 13m 95 I 1 CF READ DRUM DRUM INDEX PULSE SELECT I OR IomiIIi- SS CF 1: 8I -$8(:v

PLUS 0N 159 WRITE 14I START I DRUM SELR I I INDEX SEARCH I t R 153 105 PLUS ON z START I T 1515 CF E5 INDEX l AR H I 1 1 SE c 5 DRUM DISCONNECT, 137 150 a l W CF FIRST INDEX PULSE ,161 I i 160 T 7 CF OZ PLUS 136 V 123 AFTER SELECT}? I v IST INDEX DRUM l 1 ZIS PULSZZ/A 940: I I 1620 DRUM DISCONNECT 94b T 4 T I 94c=- 4s I 0F MINUS QN cqP SEtECT V DRUM *4 I h I 146 ,Iso I I54 144 145 I47 I41 1 2 I Ia I I copy [1470 124 50' sec. 1 COPY a CF |l- Ips 88 T CF l 148 I COPY I l S COPY TRIGGER,

INVENTORS WERNER BUCHHOLZ CECIL A. DEUTSOHLE BY DAVID J-. CRAWFORD 0 5% A ORNEY Dec. 2, 1958 w. BUCHHOLZ ETAL 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25. 1952 I g 35 Sheets-Sheet 14 153 DRUM READ- WR-ITE CONTROL CIRCUITS m Fmob 123 I PLUS, ON sTART INDEX SEARCH FIG'K) v O %ggm scETlREgARRY PULs s 122 PLUS, AFTER 1ST1Z5\INDEX PULSE 1 1 RUM R DRUM READ'GATE a 4P0Fs s 24 To FlG.'12c I PLUS AFTER F 1ST INDEX A PULSE A 123 123 i PLUS'ON COPY 28 1260 127 y 3 a DRUM WRITE 4PCF1S DRUM-WRITE. GATE 105\ 1 129 TO FlG.12c

WRITE DRUM SEL. /296 1290/ II I II 1260 294 295 D 297 298 1 300" sec. 297a /299 5 OR r Ips SS 7 CF 1 "A" I290 RESET COPY TRIGGER I sec. I VI 30 T ss OF 8. 7 CF I T T ROL A" I Rgm 15v M Q .J- v gELECT READ-IN 5;: sec. v V 7 RESET DRUM ITO SS LREGSTET?" H6126 312 313 Q DRUM COB]? DRUM cTR. CARRY PULSES 355C HOV 355d PROCERD 336 ,357 y 20 sec I a 0F 11* Ips ss CF I 3 "355D 358u 354 359 RESET DRUM CTR. V 0V. DRUM DISCONNECT a OF 7 1621: k 162 299 INVENTORS Z99 WERNER BUSHHOLZ CECIL A. DEUTSCHLE BY DAVID J. CRAWFORD FIG. 11b 45% A ORNEY Dec. 2, 1958 w. BUCHHOLZ ETAL 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25. 1952 35' Sheets-Sheet ,16 I

32 H 32 A I O k 5 mm, o2 m2 5. ma

mu 1 32 92.2; 23% O2 E Hmsm m m n O Swmo. 9; 5E R: +|W|L Mk 3. 3: mt 62 0.: mt 2.5050 62:22. mtm3 o mm 220 m wm 5m XwoZH 23mm GE O. 02

INVENTORS WERNER BUGHHOLZ CECIL A. DEUTSCHLE BY DAVID .1. CRAWFORD a, rm

A (,RNEY

W.BUCHHOLZ ETAL 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 Dec. 2, 1958 35 Sheets-Sheet 17 INVENTORS WERNER BUCHHOLZ DEUTSCHLE CRAWFORD ATTORNEY J a 65 EN mwkwamm 235 56% 3 N5 3- M82 SD23 9mm 23% On w 6mm 9+ D NE MEG 9mm 23% \JNON m mxa wm m H 6 m wprm @ON Q- momom v i w m mow 8 8 in E3 ME; 23% ms 6Q mom 4 6 m0 1 mmjE NEE) 22E mom 6m 8w mm. 32 we 9+ l E H 6 mOnIviT H 3 2; m2 $1 5 mm. h v A Q 2- Dec. 2, 1958 Filed 001;. 25, 1952 W. BUCHHOLZ' ET AL- ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM 35 Sheets-Sheet 19 DRUM SELECTOR CIRCUITS 95 READ DRUM SELECT I 98 READ DRUM 1 SELECT DRUMJH r a, CF

I08 ,SELE CT DRUM32 8 CF READ DRUM 2 94b 98b READ DRUM *3 SELEC T DRUM33 7 CF 7 98 READ DRUM 4 SELE c T D umfi m & 7 CF L 1o? 05 10s I a C F WRITE DRUM 1 E a CF WRITE DRUM *2 & c F WRITE DRU 3 +1 v 940 |O8c WRITE DRUM stELEc; a CF WRITE DRUM"4 I F I G IOBb INVENTORS WERNER BUCHHOLZ A. DEUTSCHLE A ORNEY CECIL DAVID J. CRAW FORD Dec. 2, 1958 w. BUCHHOLZ ET AL 2,863,134

ADDRESS SELECTION SYSTEM FOR A MAGNETIC DRUM Filed Oct. 25, 1952 as Sheets-Sheet 2o DRUM RELAY SWITCHING CIRCUITS '08 d INVENTORS F G. O WERNER BUCHHOLZ CECIL A. DEUTSCHLE EIY ofi m J. c

ORNEY 

